This study examined psychological characteristics of taekwondo players according to performance. Psychological factors consisted of personality, sport competitive anxiety, attention style, concentration, and mental toughness. 48 male high school taekwondo players participated in this study. Results were as follows : 1. The variables of personality showed no significant difference between elite and non-elite group. 2. Level of competitive anxiety of elite group showed a significant lower value than non-elite group, and level of concentration of elite group showed a significant higher value than non-elite group. 3. In the analysis of attention style, all sub-variables showed no significant difference between elite and non-elite group. But elite group showed a higher a value in relation to internal factors, and non-elite group showed a higher a value in relation to external factors. 4. In the mental toughness, levels of confidence, arousal control and attention control of elite group showed a significant higher than the non-elite group. In this results, competitive anxiety, concentration, confidence, arousal control, and attention control effect to performance of taekwondo players, so I suggest the requirement of training program for the control of psychological characteristics in taekwondo players.